英语常用语法：时态一致

yuci010

英语常用语法：时态一致

　　1)并列谓语的时态一致。
　　【例如】Yesterday I went shopping, bought some books and had dinner at a good restaurant.
　　The soldier looked at him, exchanged glances with his comrade and took out the gun.
　　2)主从复合句的时态一致。
; ?8 V& T/ a# q- N　　a)主句为现在时、将来时、现在完成时，宾语从句谓语动词时态按情况而定。
　　【例如】
　　I wonder what will happen tomorrow.
5 A1 z7 ]5 y) h　　I wonder what happened to him yesterday.
! C8 C4 C8 m' [9 T; D2 }& v　　I wonder what is happening now outside.
　　b)主句为过去时态，宾语从句一般用过去时态。如果宾语从句说明的是客观真理，用一般现在时。
) v9 ^2 R7 b& D9 H　　【例如】
/ H; n% O+ J. X, m　　He told me he made a big mistake.
. |3 P% s$ L" A$ m  V$ t5 o5 Q　　He told me he would go to Beijing the next day.
4 L! _' @0 }( d$ N- D' U　　He told he had finished his task.
　　The teacher told students that the earth moves around the sun.(客观真理)
　　3)定语从句和比较状语从句时态不受主句影响。
　　【例如】
　　The universityswhereshe is studying was founded in 1950.
4 n& R  W* x# D1 h9 I　　You now speak English better than you spoke it last year.
　　4)时间和条件状语从句中，常用现在时表示将来。
  ~0 E& }! j0 }& \$ s; Z　　【例如】
! `+ K! J- @# n  {0 Q1 z. r- l* S　　We will cancel our trip if it rains tomorrow.
( f$ Y, {' A) c6 k; |　　I will go to visit the Summer Palace as soon as I arrive in Beijing.
7 ^6 V* x; E' {1 _7 x+ Q

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